This adapter is a 90 watt charger with 19 volts and 4.74 amps. The laptop connector tip features a pin in the center of the barrel connector. The ac charger unit also ships with 3 prong grounded cord that runs from the wall to the ac adapter even though it is not pictured in the photograph.

19 Volts90 Watts4.74 Amps7.4mm - 5.0mm connector with pin inside

This AC adapter fits more units than these listed. Check your current adapter for compatibility with similar watts, amps and voltage ratings as well as the center pin barrel connector pictured here.

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